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movements that are not intentional; These activities are the subconscious mind's way of trying to relieve tension [citation needed]. Often people experiencing psychomotor agitation feel as if their movements are not deliberate. Sometimes, however, psychomotor agitation does not relate to mental tension and anxiety.
The condition was explained as being a result of exhaustion of the central nervous system's energy reserves, which Beard attributed to modern civilization. Physicians in the Beard school of thought associated neurasthenia with the stresses of urbanization and with stress suffered as a result of the increasingly competitive business environment.
View of a performance on stage from the wings. Stage fright or performance anxiety is the anxiety, fear, or persistent phobia that may be aroused in an individual by the requirement to perform in front of an audience, real or imagined, whether actually or potentially (for example, when performing before a camera).
This is a list of major and frequently observed neurological disorders (e.g., Alzheimer's disease), symptoms (e.g., back pain), signs (e.g., aphasia) and syndromes (e ...
The neurotransmitters signal to the nervous system of the gastrointestinal tract, and those signals will be carried to the brain through the vagus nerve or the spinal system. [90] [91] [92] This is demonstrated by the fact that altering the microbiome has shown anxiety- and depression-reducing effects in mice, but not in subjects without vagus ...
Nervous laughter is a physical reaction to stress, tension, confusion, or anxiety. Neuroscientist Vilayanur S. Ramachandran states "We have nervous laughter because we want to make ourselves think what horrible thing we encountered isn't really as horrible as it appears, something we want to believe." Psychologist and neuroscientist Robert ...
This glossary covers terms found in the psychiatric literature; the word origins are primarily Greek, but there are also Latin, French, German, and English terms. Many of these terms refer to expressions dating from the early days of psychiatry in Europe; some are deprecated, and thus are of historic interest.
The terms "mental breakdown" or "nervous breakdown" may be used by the general population to mean a mental disorder. [20] The terms "nervous breakdown" and "mental breakdown" have not been formally defined through a medical diagnostic system such as the DSM-5 or ICD-10 and are nearly absent from scientific literature regarding mental illness.